• KAGRA
• IFOIntegration2022
• 2022OMCClosing

OMC Closing Review (2022/11/18)

• OMC (Aso-kun, NAOJ)
• OMMT1, OMMT2, OSTM Suspension (Takahasi-san, NAOJ)
  • Transfer Function
  • OSEM output values
  • Space btw magnets and plates
  • Pico motion
• Stray light dumping (Akutstu-kun, NAOJ)

  • klog#22934

  • klog#22942

• OMMT2T optical setting (Ushiba, Akutsu, Miyoki, Sato)

  • klog#22604

  • klog#22611

  • klog#22844

  • klog#22848

  • klog#22946

  • Final alignment and Iris removal.
  • Reliable cover using aluminum foils.
• Vacuum Issues

  • Clamp preparation -> OK, f300 -> metal, f800 -> elastomer,

  • TMP/IP alignment OMC-OMMT-TMIPunit.pdf

  • Trouble in a -Y side Hatch

  • Opened viewports confirmation
  • Cleaning inside
  • Leak in GV again??
  • Slow pumping as IFI-IMMT/IMC.